<template>
  <div class="login-container">
    <div class="words">
      <div ref="echartsWordcloud"></div>
    </div>

    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on"
             label-position="left"
    >

      <div class="title-container">
        <h3 class="title">登录到麻辣社区问政管理后台</h3>
      </div>

      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user"/>
        </span>
        <el-input
          ref="username"
          v-model="loginForm.username"
          placeholder="用户名"
          name="username"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password"/>
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="密码"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"/>
        </span>
      </el-form-item>


      <div id="geetest"></div>


      <el-button :loading="loading" type="primary" size="big" style="width:100%;margin-bottom:30px;"
                 @click.native.prevent="handleLogin"
      >登录后台
      </el-button>

      <div class="tips">
        <div style="color:#999;text-align: center">Copyright Xuxiaolong</div>
        <div style="color:#999;margin-top:10px;text-align: center">@mala.cn</div>
      </div>

    </el-form>
  </div>
</template>

<script>
import '@/utils/gt4'
import { getGeet } from '@/api/user'
export default {

  name: 'Login',
  data() {
    const validateUsername = (rule, value, callback) => {
      callback()
    }
    const validateGeet = (rule, value, callback) => {
      callback(new Error('密码格式不正确'))
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('密码格式不正确'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        username: '',
        password: '',
        loginAuth: []
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur', validator: validateUsername }],
        password: [{ required: true, trigger: 'blur', validator: validatePassword }],
        loginAuth: [{ required: true, trigger: 'blur', validator: validateGeet }]
      },

      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  created() {
    this.Geet()
  },
  methods: {
    Geet(){
      let _this = this
      getGeet({ login: 1 }).then(response => {
        let data = response.data
        initGeetest({
          gt: data.gt,
          challenge: data.challenge,
          offline: !data.success,
          new_captcha: true,
          width: '100%'
        }, function(captchaObj) {
          captchaObj.appendTo('#geetest')
          captchaObj.onSuccess(() => {
            // _this.loginAuth = captchaObj.getValidate();
            _this.$set(_this.loginForm,'loginAuth',captchaObj.getValidate());
            // console.log(this.loginForm)
            // {
            //   "geetest_challenge": "60bc42c539750a73e345a5facd138011lf",
            //   "geetest_validate": "32c8982a7ecc364881108c04098e8eaf",
            //   "geetest_seccode": "32c8982a7ecc364881108c04098e8eaf|jordan"
            // }
          })
        })
      }).catch(err => {
      })
    },
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      // this.smsCode  =  true;
      // return false
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          if (!this.loginForm.loginAuth.geetest_challenge) {
            this.$message('请完成滑动验证')
            return
          }
          this.loading = true
          this.$store.dispatch('user/login', this.loginForm).then(() => {
            this.$router.push({ path: this.redirect || '/' })
            this.loading = false
          }).catch(() => {
            this.loading = false
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    }
  }
}
</script>

<style lang="scss">
#geetest {
  width: 100%;
  margin-bottom: 22px;
  border: 10px;

}

/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
